Toán Lớp 5: If a β b = 5 x a – 3 x b
b. Find b when 12 β b = 12
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Toán Lớp 5: If a β b = 5 x a – 3 x b
b. Find b when 12 β b = 12
Mình ko cần dịch nhé
Comments ( 2 )
( x+1, 3) ≡ (2, 3) => x + 1 =2
∴ x =1